Home / 292,200.44-438,320.10-102,637.76

Finding the Fourth Proportional to 292,200.44, 438,320.10 and 102,637.76

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Solution

The fourth proportional to 292,200.44, 438,320.10 and 102,637.76 is: 153,963.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,200.44 : 438,320.10 = 102,637.76 : x
  2. Step 2: Convert to fraction form
    292,200.44/438,320.10 = 102,637.76/x
  3. Step 3: Cross multiply
    292,200.44x = 438,320.10 × 102,637.76
  4. Step 4: Simplify right side
    292,200.44x = 44,988,193,226.98
  5. Step 5: Solve for x
    x = 44,988,193,226.98/292,200.44
  6. Step 6: Final answer
    x = 153,963.47

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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.