Home / 191,319.60-286,849.80-97,748.40

Finding the Fourth Proportional to 191,319.60, 286,849.80 and 97,748.40

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Solution

The fourth proportional to 191,319.60, 286,849.80 and 97,748.40 is: 146,556.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,319.60 : 286,849.80 = 97,748.40 : x
  2. Step 2: Convert to fraction form
    191,319.60/286,849.80 = 97,748.40/x
  3. Step 3: Cross multiply
    191,319.60x = 286,849.80 × 97,748.40
  4. Step 4: Simplify right side
    191,319.60x = 28,039,108,990.32
  5. Step 5: Solve for x
    x = 28,039,108,990.32/191,319.60
  6. Step 6: Final answer
    x = 146,556.39

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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.