Home / 118,444.76-163,456.07-64,733.07

Finding the Fourth Proportional to 118,444.76, 163,456.07 and 64,733.07

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Solution

The fourth proportional to 118,444.76, 163,456.07 and 64,733.07 is: 89,332.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,444.76 : 163,456.07 = 64,733.07 : x
  2. Step 2: Convert to fraction form
    118,444.76/163,456.07 = 64,733.07/x
  3. Step 3: Cross multiply
    118,444.76x = 163,456.07 × 64,733.07
  4. Step 4: Simplify right side
    118,444.76x = 10,581,012,897.57
  5. Step 5: Solve for x
    x = 10,581,012,897.57/118,444.76
  6. Step 6: Final answer
    x = 89,332.90

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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.