Home / 176,074.39-243,076.80-137,752.48

Finding the Fourth Proportional to 176,074.39, 243,076.80 and 137,752.48

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Solution

The fourth proportional to 176,074.39, 243,076.80 and 137,752.48 is: 190,172.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,074.39 : 243,076.80 = 137,752.48 : x
  2. Step 2: Convert to fraction form
    176,074.39/243,076.80 = 137,752.48/x
  3. Step 3: Cross multiply
    176,074.39x = 243,076.80 × 137,752.48
  4. Step 4: Simplify right side
    176,074.39x = 33,484,432,030.46
  5. Step 5: Solve for x
    x = 33,484,432,030.46/176,074.39
  6. Step 6: Final answer
    x = 190,172.07

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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.