Home / 295,661.10-442,981.35-137,565.30

Finding the Fourth Proportional to 295,661.10, 442,981.35 and 137,565.30

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Solution

The fourth proportional to 295,661.10, 442,981.35 and 137,565.30 is: 206,110.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,661.10 : 442,981.35 = 137,565.30 : x
  2. Step 2: Convert to fraction form
    295,661.10/442,981.35 = 137,565.30/x
  3. Step 3: Cross multiply
    295,661.10x = 442,981.35 × 137,565.30
  4. Step 4: Simplify right side
    295,661.10x = 60,938,862,307.16
  5. Step 5: Solve for x
    x = 60,938,862,307.16/295,661.10
  6. Step 6: Final answer
    x = 206,110.52

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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.