Home / 156,752.91-216,290.93-93,106.35

Finding the Fourth Proportional to 156,752.91, 216,290.93 and 93,106.35

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Solution

The fourth proportional to 156,752.91, 216,290.93 and 93,106.35 is: 128,470.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,752.91 : 216,290.93 = 93,106.35 : x
  2. Step 2: Convert to fraction form
    156,752.91/216,290.93 = 93,106.35/x
  3. Step 3: Cross multiply
    156,752.91x = 216,290.93 × 93,106.35
  4. Step 4: Simplify right side
    156,752.91x = 20,138,058,564.87
  5. Step 5: Solve for x
    x = 20,138,058,564.87/156,752.91
  6. Step 6: Final answer
    x = 128,470.08

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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.