Home / 261,946.79-392,591.70-112,011.11

Finding the Fourth Proportional to 261,946.79, 392,591.70 and 112,011.11

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Solution

The fourth proportional to 261,946.79, 392,591.70 and 112,011.11 is: 167,876.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,946.79 : 392,591.70 = 112,011.11 : x
  2. Step 2: Convert to fraction form
    261,946.79/392,591.70 = 112,011.11/x
  3. Step 3: Cross multiply
    261,946.79x = 392,591.70 × 112,011.11
  4. Step 4: Simplify right side
    261,946.79x = 43,974,630,130.83
  5. Step 5: Solve for x
    x = 43,974,630,130.83/261,946.79
  6. Step 6: Final answer
    x = 167,876.20

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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.