Home / 191,036.30-286,226.40-124,442.15

Finding the Fourth Proportional to 191,036.30, 286,226.40 and 124,442.15

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Solution

The fourth proportional to 191,036.30, 286,226.40 and 124,442.15 is: 186,449.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,036.30 : 286,226.40 = 124,442.15 : x
  2. Step 2: Convert to fraction form
    191,036.30/286,226.40 = 124,442.15/x
  3. Step 3: Cross multiply
    191,036.30x = 286,226.40 × 124,442.15
  4. Step 4: Simplify right side
    191,036.30x = 35,618,628,602.76
  5. Step 5: Solve for x
    x = 35,618,628,602.76/191,036.30
  6. Step 6: Final answer
    x = 186,449.53

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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.