Home / 154,259.00-212,877.91-86,277.13

Finding the Fourth Proportional to 154,259.00, 212,877.91 and 86,277.13

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Solution

The fourth proportional to 154,259.00, 212,877.91 and 86,277.13 is: 119,062.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,259.00 : 212,877.91 = 86,277.13 : x
  2. Step 2: Convert to fraction form
    154,259.00/212,877.91 = 86,277.13/x
  3. Step 3: Cross multiply
    154,259.00x = 212,877.91 × 86,277.13
  4. Step 4: Simplify right side
    154,259.00x = 18,366,495,402.98
  5. Step 5: Solve for x
    x = 18,366,495,402.98/154,259.00
  6. Step 6: Final answer
    x = 119,062.72

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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.