Home / 292,254.19-438,406.14-102,698.20

Finding the Fourth Proportional to 292,254.19, 438,406.14 and 102,698.20

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Solution

The fourth proportional to 292,254.19, 438,406.14 and 102,698.20 is: 154,056.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,254.19 : 438,406.14 = 102,698.20 : x
  2. Step 2: Convert to fraction form
    292,254.19/438,406.14 = 102,698.20/x
  3. Step 3: Cross multiply
    292,254.19x = 438,406.14 × 102,698.20
  4. Step 4: Simplify right side
    292,254.19x = 45,023,521,446.95
  5. Step 5: Solve for x
    x = 45,023,521,446.95/292,254.19
  6. Step 6: Final answer
    x = 154,056.03

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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.