Home / 119,159.91-164,440.02-64,711.62

Finding the Fourth Proportional to 119,159.91, 164,440.02 and 64,711.62

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Solution

The fourth proportional to 119,159.91, 164,440.02 and 64,711.62 is: 89,301.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,159.91 : 164,440.02 = 64,711.62 : x
  2. Step 2: Convert to fraction form
    119,159.91/164,440.02 = 64,711.62/x
  3. Step 3: Cross multiply
    119,159.91x = 164,440.02 × 64,711.62
  4. Step 4: Simplify right side
    119,159.91x = 10,641,180,087.03
  5. Step 5: Solve for x
    x = 10,641,180,087.03/119,159.91
  6. Step 6: Final answer
    x = 89,301.68

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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.