Home / 118,177.04-163,144.53-91,259.12

Finding the Fourth Proportional to 118,177.04, 163,144.53 and 91,259.12

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Solution

The fourth proportional to 118,177.04, 163,144.53 and 91,259.12 is: 125,984.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,177.04 : 163,144.53 = 91,259.12 : x
  2. Step 2: Convert to fraction form
    118,177.04/163,144.53 = 91,259.12/x
  3. Step 3: Cross multiply
    118,177.04x = 163,144.53 × 91,259.12
  4. Step 4: Simplify right side
    118,177.04x = 14,888,425,424.89
  5. Step 5: Solve for x
    x = 14,888,425,424.89/118,177.04
  6. Step 6: Final answer
    x = 125,984.08

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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.