Home / 189,531.95-261,444.44-122,463.95

Finding the Fourth Proportional to 189,531.95, 261,444.44 and 122,463.95

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Solution

The fourth proportional to 189,531.95, 261,444.44 and 122,463.95 is: 168,929.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,531.95 : 261,444.44 = 122,463.95 : x
  2. Step 2: Convert to fraction form
    189,531.95/261,444.44 = 122,463.95/x
  3. Step 3: Cross multiply
    189,531.95x = 261,444.44 × 122,463.95
  4. Step 4: Simplify right side
    189,531.95x = 32,017,517,826.88
  5. Step 5: Solve for x
    x = 32,017,517,826.88/189,531.95
  6. Step 6: Final answer
    x = 168,929.40

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1.5x scale

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.