Home / 191,063.10-286,597.37-72,740.93

Finding the Fourth Proportional to 191,063.10, 286,597.37 and 72,740.93

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Solution

The fourth proportional to 191,063.10, 286,597.37 and 72,740.93 is: 109,112.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,063.10 : 286,597.37 = 72,740.93 : x
  2. Step 2: Convert to fraction form
    191,063.10/286,597.37 = 72,740.93/x
  3. Step 3: Cross multiply
    191,063.10x = 286,597.37 × 72,740.93
  4. Step 4: Simplify right side
    191,063.10x = 20,847,360,127.70
  5. Step 5: Solve for x
    x = 20,847,360,127.70/191,063.10
  6. Step 6: Final answer
    x = 109,112.44

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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.