Home / 272,025.60-375,287.76-157,283.20

Finding the Fourth Proportional to 272,025.60, 375,287.76 and 157,283.20

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Solution

The fourth proportional to 272,025.60, 375,287.76 and 157,283.20 is: 216,988.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,025.60 : 375,287.76 = 157,283.20 : x
  2. Step 2: Convert to fraction form
    272,025.60/375,287.76 = 157,283.20/x
  3. Step 3: Cross multiply
    272,025.60x = 375,287.76 × 157,283.20
  4. Step 4: Simplify right side
    272,025.60x = 59,026,459,813.63
  5. Step 5: Solve for x
    x = 59,026,459,813.63/272,025.60
  6. Step 6: Final answer
    x = 216,988.62

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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.