Home / 159,547.20-239,320.80-106,670.40

Finding the Fourth Proportional to 159,547.20, 239,320.80 and 106,670.40

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Solution

The fourth proportional to 159,547.20, 239,320.80 and 106,670.40 is: 160,005.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,547.20 : 239,320.80 = 106,670.40 : x
  2. Step 2: Convert to fraction form
    159,547.20/239,320.80 = 106,670.40/x
  3. Step 3: Cross multiply
    159,547.20x = 239,320.80 × 106,670.40
  4. Step 4: Simplify right side
    159,547.20x = 25,528,445,464.32
  5. Step 5: Solve for x
    x = 25,528,445,464.32/159,547.20
  6. Step 6: Final answer
    x = 160,005.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.