Home / 223,585.07-308,547.17-128,092.14

Finding the Fourth Proportional to 223,585.07, 308,547.17 and 128,092.14

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Solution

The fourth proportional to 223,585.07, 308,547.17 and 128,092.14 is: 176,767.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,585.07 : 308,547.17 = 128,092.14 : x
  2. Step 2: Convert to fraction form
    223,585.07/308,547.17 = 128,092.14/x
  3. Step 3: Cross multiply
    223,585.07x = 308,547.17 × 128,092.14
  4. Step 4: Simplify right side
    223,585.07x = 39,522,466,655.78
  5. Step 5: Solve for x
    x = 39,522,466,655.78/223,585.07
  6. Step 6: Final answer
    x = 176,767.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.