Home / 118,237.23-163,170.86-64,525.71

Finding the Fourth Proportional to 118,237.23, 163,170.86 and 64,525.71

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Solution

The fourth proportional to 118,237.23, 163,170.86 and 64,525.71 is: 89,047.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,237.23 : 163,170.86 = 64,525.71 : x
  2. Step 2: Convert to fraction form
    118,237.23/163,170.86 = 64,525.71/x
  3. Step 3: Cross multiply
    118,237.23x = 163,170.86 × 64,525.71
  4. Step 4: Simplify right side
    118,237.23x = 10,528,715,270.18
  5. Step 5: Solve for x
    x = 10,528,715,270.18/118,237.23
  6. Step 6: Final answer
    x = 89,047.38

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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.