Home / 229,319.22-316,458.32-127,342.14

Finding the Fourth Proportional to 229,319.22, 316,458.32 and 127,342.14

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Solution

The fourth proportional to 229,319.22, 316,458.32 and 127,342.14 is: 175,730.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,319.22 : 316,458.32 = 127,342.14 : x
  2. Step 2: Convert to fraction form
    229,319.22/316,458.32 = 127,342.14/x
  3. Step 3: Cross multiply
    229,319.22x = 316,458.32 × 127,342.14
  4. Step 4: Simplify right side
    229,319.22x = 40,298,479,689.60
  5. Step 5: Solve for x
    x = 40,298,479,689.60/229,319.22
  6. Step 6: Final answer
    x = 175,730.93

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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.