Home / 112,001.10-168,001.65-97,421.10

Finding the Fourth Proportional to 112,001.10, 168,001.65 and 97,421.10

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Solution

The fourth proportional to 112,001.10, 168,001.65 and 97,421.10 is: 146,131.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,001.10 : 168,001.65 = 97,421.10 : x
  2. Step 2: Convert to fraction form
    112,001.10/168,001.65 = 97,421.10/x
  3. Step 3: Cross multiply
    112,001.10x = 168,001.65 × 97,421.10
  4. Step 4: Simplify right side
    112,001.10x = 16,366,905,544.82
  5. Step 5: Solve for x
    x = 16,366,905,544.82/112,001.10
  6. Step 6: Final answer
    x = 146,131.65

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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.