Home / 127,529.10-175,991.50-70,169.17

Finding the Fourth Proportional to 127,529.10, 175,991.50 and 70,169.17

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Solution

The fourth proportional to 127,529.10, 175,991.50 and 70,169.17 is: 96,834.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,529.10 : 175,991.50 = 70,169.17 : x
  2. Step 2: Convert to fraction form
    127,529.10/175,991.50 = 70,169.17/x
  3. Step 3: Cross multiply
    127,529.10x = 175,991.50 × 70,169.17
  4. Step 4: Simplify right side
    127,529.10x = 12,349,177,482.06
  5. Step 5: Solve for x
    x = 12,349,177,482.06/127,529.10
  6. Step 6: Final answer
    x = 96,834.19

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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.