Home / 191,096.02-286,678.50-78,714.90

Finding the Fourth Proportional to 191,096.02, 286,678.50 and 78,714.90

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Solution

The fourth proportional to 191,096.02, 286,678.50 and 78,714.90 is: 118,086.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,096.02 : 286,678.50 = 78,714.90 : x
  2. Step 2: Convert to fraction form
    191,096.02/286,678.50 = 78,714.90/x
  3. Step 3: Cross multiply
    191,096.02x = 286,678.50 × 78,714.90
  4. Step 4: Simplify right side
    191,096.02x = 22,565,868,532.20
  5. Step 5: Solve for x
    x = 22,565,868,532.20/191,096.02
  6. Step 6: Final answer
    x = 118,086.55

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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.