Home / 154,032.98-212,557.90-86,036.42

Finding the Fourth Proportional to 154,032.98, 212,557.90 and 86,036.42

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Solution

The fourth proportional to 154,032.98, 212,557.90 and 86,036.42 is: 118,726.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,032.98 : 212,557.90 = 86,036.42 : x
  2. Step 2: Convert to fraction form
    154,032.98/212,557.90 = 86,036.42/x
  3. Step 3: Cross multiply
    154,032.98x = 212,557.90 × 86,036.42
  4. Step 4: Simplify right side
    154,032.98x = 18,287,720,758.72
  5. Step 5: Solve for x
    x = 18,287,720,758.72/154,032.98
  6. Step 6: Final answer
    x = 118,726.01

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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.