Home / 191,237.20-286,272.60-112,116.40

Finding the Fourth Proportional to 191,237.20, 286,272.60 and 112,116.40

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Solution

The fourth proportional to 191,237.20, 286,272.60 and 112,116.40 is: 167,832.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,237.20 : 286,272.60 = 112,116.40 : x
  2. Step 2: Convert to fraction form
    191,237.20/286,272.60 = 112,116.40/x
  3. Step 3: Cross multiply
    191,237.20x = 286,272.60 × 112,116.40
  4. Step 4: Simplify right side
    191,237.20x = 32,095,853,330.64
  5. Step 5: Solve for x
    x = 32,095,853,330.64/191,237.20
  6. Step 6: Final answer
    x = 167,832.69

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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.