Home / 191,036.55-286,226.78-124,442.40

Finding the Fourth Proportional to 191,036.55, 286,226.78 and 124,442.40

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Solution

The fourth proportional to 191,036.55, 286,226.78 and 124,442.40 is: 186,449.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,036.55 : 286,226.78 = 124,442.40 : x
  2. Step 2: Convert to fraction form
    191,036.55/286,226.78 = 124,442.40/x
  3. Step 3: Cross multiply
    191,036.55x = 286,226.78 × 124,442.40
  4. Step 4: Simplify right side
    191,036.55x = 35,618,746,825.26
  5. Step 5: Solve for x
    x = 35,618,746,825.26/191,036.55
  6. Step 6: Final answer
    x = 186,449.91

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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.