Home / 215,543.53-323,320.76-75,302.16

Finding the Fourth Proportional to 215,543.53, 323,320.76 and 75,302.16

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Solution

The fourth proportional to 215,543.53, 323,320.76 and 75,302.16 is: 112,955.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,543.53 : 323,320.76 = 75,302.16 : x
  2. Step 2: Convert to fraction form
    215,543.53/323,320.76 = 75,302.16/x
  3. Step 3: Cross multiply
    215,543.53x = 323,320.76 × 75,302.16
  4. Step 4: Simplify right side
    215,543.53x = 24,346,750,717.84
  5. Step 5: Solve for x
    x = 24,346,750,717.84/215,543.53
  6. Step 6: Final answer
    x = 112,955.14

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1.5x scale

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.