Home / 212,117.76-292,767.03-134,543.25

Finding the Fourth Proportional to 212,117.76, 292,767.03 and 134,543.25

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Solution

The fourth proportional to 212,117.76, 292,767.03 and 134,543.25 is: 185,697.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,117.76 : 292,767.03 = 134,543.25 : x
  2. Step 2: Convert to fraction form
    212,117.76/292,767.03 = 134,543.25/x
  3. Step 3: Cross multiply
    212,117.76x = 292,767.03 × 134,543.25
  4. Step 4: Simplify right side
    212,117.76x = 39,389,827,709.05
  5. Step 5: Solve for x
    x = 39,389,827,709.05/212,117.76
  6. Step 6: Final answer
    x = 185,697.92

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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.