Home / 127,090.55-175,385.12-70,501.92

Finding the Fourth Proportional to 127,090.55, 175,385.12 and 70,501.92

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Solution

The fourth proportional to 127,090.55, 175,385.12 and 70,501.92 is: 97,292.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,090.55 : 175,385.12 = 70,501.92 : x
  2. Step 2: Convert to fraction form
    127,090.55/175,385.12 = 70,501.92/x
  3. Step 3: Cross multiply
    127,090.55x = 175,385.12 × 70,501.92
  4. Step 4: Simplify right side
    127,090.55x = 12,364,987,346.92
  5. Step 5: Solve for x
    x = 12,364,987,346.92/127,090.55
  6. Step 6: Final answer
    x = 97,292.74

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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.