Home / 113,608.63-156,761.40-65,852.65

Finding the Fourth Proportional to 113,608.63, 156,761.40 and 65,852.65

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Solution

The fourth proportional to 113,608.63, 156,761.40 and 65,852.65 is: 90,865.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,608.63 : 156,761.40 = 65,852.65 : x
  2. Step 2: Convert to fraction form
    113,608.63/156,761.40 = 65,852.65/x
  3. Step 3: Cross multiply
    113,608.63x = 156,761.40 × 65,852.65
  4. Step 4: Simplify right side
    113,608.63x = 10,323,153,607.71
  5. Step 5: Solve for x
    x = 10,323,153,607.71/113,608.63
  6. Step 6: Final answer
    x = 90,865.93

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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.