Home / 145,527.17-200,827.19-81,864.97

Finding the Fourth Proportional to 145,527.17, 200,827.19 and 81,864.97

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Solution

The fourth proportional to 145,527.17, 200,827.19 and 81,864.97 is: 112,973.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,527.17 : 200,827.19 = 81,864.97 : x
  2. Step 2: Convert to fraction form
    145,527.17/200,827.19 = 81,864.97/x
  3. Step 3: Cross multiply
    145,527.17x = 200,827.19 × 81,864.97
  4. Step 4: Simplify right side
    145,527.17x = 16,440,710,973.14
  5. Step 5: Solve for x
    x = 16,440,710,973.14/145,527.17
  6. Step 6: Final answer
    x = 112,973.48

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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.