Home / 156,386.10-215,641.64-116,174.46

Finding the Fourth Proportional to 156,386.10, 215,641.64 and 116,174.46

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Solution

The fourth proportional to 156,386.10, 215,641.64 and 116,174.46 is: 160,193.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,386.10 : 215,641.64 = 116,174.46 : x
  2. Step 2: Convert to fraction form
    156,386.10/215,641.64 = 116,174.46/x
  3. Step 3: Cross multiply
    156,386.10x = 215,641.64 × 116,174.46
  4. Step 4: Simplify right side
    156,386.10x = 25,052,051,080.51
  5. Step 5: Solve for x
    x = 25,052,051,080.51/156,386.10
  6. Step 6: Final answer
    x = 160,193.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.