Home / 215,589.95-323,360.15-57,806.00

Finding the Fourth Proportional to 215,589.95, 323,360.15 and 57,806.00

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Solution

The fourth proportional to 215,589.95, 323,360.15 and 57,806.00 is: 86,702.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,589.95 : 323,360.15 = 57,806.00 : x
  2. Step 2: Convert to fraction form
    215,589.95/323,360.15 = 57,806.00/x
  3. Step 3: Cross multiply
    215,589.95x = 323,360.15 × 57,806.00
  4. Step 4: Simplify right side
    215,589.95x = 18,692,154,925.07
  5. Step 5: Solve for x
    x = 18,692,154,925.07/215,589.95
  6. Step 6: Final answer
    x = 86,702.35

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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.