Home / 163,547.10-245,320.65-70,062.30

Finding the Fourth Proportional to 163,547.10, 245,320.65 and 70,062.30

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Solution

The fourth proportional to 163,547.10, 245,320.65 and 70,062.30 is: 105,093.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,547.10 : 245,320.65 = 70,062.30 : x
  2. Step 2: Convert to fraction form
    163,547.10/245,320.65 = 70,062.30/x
  3. Step 3: Cross multiply
    163,547.10x = 245,320.65 × 70,062.30
  4. Step 4: Simplify right side
    163,547.10x = 17,187,728,976.50
  5. Step 5: Solve for x
    x = 17,187,728,976.50/163,547.10
  6. Step 6: Final answer
    x = 105,093.45

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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.