Home / 191,271.30-286,906.95-157,445.70

Finding the Fourth Proportional to 191,271.30, 286,906.95 and 157,445.70

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Solution

The fourth proportional to 191,271.30, 286,906.95 and 157,445.70 is: 236,168.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,271.30 : 286,906.95 = 157,445.70 : x
  2. Step 2: Convert to fraction form
    191,271.30/286,906.95 = 157,445.70/x
  3. Step 3: Cross multiply
    191,271.30x = 286,906.95 × 157,445.70
  4. Step 4: Simplify right side
    191,271.30x = 45,172,265,577.62
  5. Step 5: Solve for x
    x = 45,172,265,577.62/191,271.30
  6. Step 6: Final answer
    x = 236,168.55

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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.