Home / 127,115.93-175,420.01-70,527.17

Finding the Fourth Proportional to 127,115.93, 175,420.01 and 70,527.17

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Solution

The fourth proportional to 127,115.93, 175,420.01 and 70,527.17 is: 97,327.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,115.93 : 175,420.01 = 70,527.17 : x
  2. Step 2: Convert to fraction form
    127,115.93/175,420.01 = 70,527.17/x
  3. Step 3: Cross multiply
    127,115.93x = 175,420.01 × 70,527.17
  4. Step 4: Simplify right side
    127,115.93x = 12,371,876,866.67
  5. Step 5: Solve for x
    x = 12,371,876,866.67/127,115.93
  6. Step 6: Final answer
    x = 97,327.51

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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.