Home / 136,784.62-204,799.06-70,081.12

Finding the Fourth Proportional to 136,784.62, 204,799.06 and 70,081.12

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Solution

The fourth proportional to 136,784.62, 204,799.06 and 70,081.12 is: 104,928.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,784.62 : 204,799.06 = 70,081.12 : x
  2. Step 2: Convert to fraction form
    136,784.62/204,799.06 = 70,081.12/x
  3. Step 3: Cross multiply
    136,784.62x = 204,799.06 × 70,081.12
  4. Step 4: Simplify right side
    136,784.62x = 14,352,547,499.75
  5. Step 5: Solve for x
    x = 14,352,547,499.75/136,784.62
  6. Step 6: Final answer
    x = 104,928.08

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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.