Home / 127,282.16-175,643.48-70,697.20

Finding the Fourth Proportional to 127,282.16, 175,643.48 and 70,697.20

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Solution

The fourth proportional to 127,282.16, 175,643.48 and 70,697.20 is: 97,558.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,282.16 : 175,643.48 = 70,697.20 : x
  2. Step 2: Convert to fraction form
    127,282.16/175,643.48 = 70,697.20/x
  3. Step 3: Cross multiply
    127,282.16x = 175,643.48 × 70,697.20
  4. Step 4: Simplify right side
    127,282.16x = 12,417,502,234.26
  5. Step 5: Solve for x
    x = 12,417,502,234.26/127,282.16
  6. Step 6: Final answer
    x = 97,558.86

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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.