Home / 156,920.76-216,534.47-93,246.26

Finding the Fourth Proportional to 156,920.76, 216,534.47 and 93,246.26

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Solution

The fourth proportional to 156,920.76, 216,534.47 and 93,246.26 is: 128,670.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,920.76 : 216,534.47 = 93,246.26 : x
  2. Step 2: Convert to fraction form
    156,920.76/216,534.47 = 93,246.26/x
  3. Step 3: Cross multiply
    156,920.76x = 216,534.47 × 93,246.26
  4. Step 4: Simplify right side
    156,920.76x = 20,191,027,939.68
  5. Step 5: Solve for x
    x = 20,191,027,939.68/156,920.76
  6. Step 6: Final answer
    x = 128,670.22

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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.