Home / 191,417.10-286,914.11-79,035.36

Finding the Fourth Proportional to 191,417.10, 286,914.11 and 79,035.36

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Solution

The fourth proportional to 191,417.10, 286,914.11 and 79,035.36 is: 118,465.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,417.10 : 286,914.11 = 79,035.36 : x
  2. Step 2: Convert to fraction form
    191,417.10/286,914.11 = 79,035.36/x
  3. Step 3: Cross multiply
    191,417.10x = 286,914.11 × 79,035.36
  4. Step 4: Simplify right side
    191,417.10x = 22,676,359,577.75
  5. Step 5: Solve for x
    x = 22,676,359,577.75/191,417.10
  6. Step 6: Final answer
    x = 118,465.69

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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.