Home / 127,282.22-175,646.40-70,693.64

Finding the Fourth Proportional to 127,282.22, 175,646.40 and 70,693.64

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Solution

The fourth proportional to 127,282.22, 175,646.40 and 70,693.64 is: 97,555.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,282.22 : 175,646.40 = 70,693.64 : x
  2. Step 2: Convert to fraction form
    127,282.22/175,646.40 = 70,693.64/x
  3. Step 3: Cross multiply
    127,282.22x = 175,646.40 × 70,693.64
  4. Step 4: Simplify right side
    127,282.22x = 12,417,083,368.90
  5. Step 5: Solve for x
    x = 12,417,083,368.90/127,282.22
  6. Step 6: Final answer
    x = 97,555.52

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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.