Home / 191,632.32-287,186.40-97,941.60

Finding the Fourth Proportional to 191,632.32, 287,186.40 and 97,941.60

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Solution

The fourth proportional to 191,632.32, 287,186.40 and 97,941.60 is: 146,778.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,632.32 : 287,186.40 = 97,941.60 : x
  2. Step 2: Convert to fraction form
    191,632.32/287,186.40 = 97,941.60/x
  3. Step 3: Cross multiply
    191,632.32x = 287,186.40 × 97,941.60
  4. Step 4: Simplify right side
    191,632.32x = 28,127,495,514.24
  5. Step 5: Solve for x
    x = 28,127,495,514.24/191,632.32
  6. Step 6: Final answer
    x = 146,778.45

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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.