Home / 127,140.75-175,459.70-70,552.13

Finding the Fourth Proportional to 127,140.75, 175,459.70 and 70,552.13

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Solution

The fourth proportional to 127,140.75, 175,459.70 and 70,552.13 is: 97,364.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,140.75 : 175,459.70 = 70,552.13 : x
  2. Step 2: Convert to fraction form
    127,140.75/175,459.70 = 70,552.13/x
  3. Step 3: Cross multiply
    127,140.75x = 175,459.70 × 70,552.13
  4. Step 4: Simplify right side
    127,140.75x = 12,379,054,863.24
  5. Step 5: Solve for x
    x = 12,379,054,863.24/127,140.75
  6. Step 6: Final answer
    x = 97,364.97

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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.