Home / 127,660.32-176,169.80-70,298.50

Finding the Fourth Proportional to 127,660.32, 176,169.80 and 70,298.50

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Solution

The fourth proportional to 127,660.32, 176,169.80 and 70,298.50 is: 97,011.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,660.32 : 176,169.80 = 70,298.50 : x
  2. Step 2: Convert to fraction form
    127,660.32/176,169.80 = 70,298.50/x
  3. Step 3: Cross multiply
    127,660.32x = 176,169.80 × 70,298.50
  4. Step 4: Simplify right side
    127,660.32x = 12,384,471,711.15
  5. Step 5: Solve for x
    x = 12,384,471,711.15/127,660.32
  6. Step 6: Final answer
    x = 97,011.13

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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.