Home / 154,088.73-212,666.85-93,678.30

Finding the Fourth Proportional to 154,088.73, 212,666.85 and 93,678.30

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Solution

The fourth proportional to 154,088.73, 212,666.85 and 93,678.30 is: 129,290.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,088.73 : 212,666.85 = 93,678.30 : x
  2. Step 2: Convert to fraction form
    154,088.73/212,666.85 = 93,678.30/x
  3. Step 3: Cross multiply
    154,088.73x = 212,666.85 × 93,678.30
  4. Step 4: Simplify right side
    154,088.73x = 19,922,268,974.36
  5. Step 5: Solve for x
    x = 19,922,268,974.36/154,088.73
  6. Step 6: Final answer
    x = 129,290.89

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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.