Home / 116,264.32-160,403.60-76,001.28

Finding the Fourth Proportional to 116,264.32, 160,403.60 and 76,001.28

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Solution

The fourth proportional to 116,264.32, 160,403.60 and 76,001.28 is: 104,854.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,264.32 : 160,403.60 = 76,001.28 : x
  2. Step 2: Convert to fraction form
    116,264.32/160,403.60 = 76,001.28/x
  3. Step 3: Cross multiply
    116,264.32x = 160,403.60 × 76,001.28
  4. Step 4: Simplify right side
    116,264.32x = 12,190,878,916.61
  5. Step 5: Solve for x
    x = 12,190,878,916.61/116,264.32
  6. Step 6: Final answer
    x = 104,854.86

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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.