Home / 127,135.84-175,447.56-70,547.20

Finding the Fourth Proportional to 127,135.84, 175,447.56 and 70,547.20

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Solution

The fourth proportional to 127,135.84, 175,447.56 and 70,547.20 is: 97,355.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,135.84 : 175,447.56 = 70,547.20 : x
  2. Step 2: Convert to fraction form
    127,135.84/175,447.56 = 70,547.20/x
  3. Step 3: Cross multiply
    127,135.84x = 175,447.56 × 70,547.20
  4. Step 4: Simplify right side
    127,135.84x = 12,377,334,104.83
  5. Step 5: Solve for x
    x = 12,377,334,104.83/127,135.84
  6. Step 6: Final answer
    x = 97,355.19

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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.