Home / 154,032.92-212,557.83-86,036.35

Finding the Fourth Proportional to 154,032.92, 212,557.83 and 86,036.35

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Solution

The fourth proportional to 154,032.92, 212,557.83 and 86,036.35 is: 118,725.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,032.92 : 212,557.83 = 86,036.35 : x
  2. Step 2: Convert to fraction form
    154,032.92/212,557.83 = 86,036.35/x
  3. Step 3: Cross multiply
    154,032.92x = 212,557.83 × 86,036.35
  4. Step 4: Simplify right side
    154,032.92x = 18,287,700,604.40
  5. Step 5: Solve for x
    x = 18,287,700,604.40/154,032.92
  6. Step 6: Final answer
    x = 118,725.93

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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.