Home / 235,971.40-353,373.90-156,656.20

Finding the Fourth Proportional to 235,971.40, 353,373.90 and 156,656.20

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Solution

The fourth proportional to 235,971.40, 353,373.90 and 156,656.20 is: 234,597.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,971.40 : 353,373.90 = 156,656.20 : x
  2. Step 2: Convert to fraction form
    235,971.40/353,373.90 = 156,656.20/x
  3. Step 3: Cross multiply
    235,971.40x = 353,373.90 × 156,656.20
  4. Step 4: Simplify right side
    235,971.40x = 55,358,212,353.18
  5. Step 5: Solve for x
    x = 55,358,212,353.18/235,971.40
  6. Step 6: Final answer
    x = 234,597.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.