Home / 177,288.04-265,931.34-72,106.12

Finding the Fourth Proportional to 177,288.04, 265,931.34 and 72,106.12

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Solution

The fourth proportional to 177,288.04, 265,931.34 and 72,106.12 is: 108,158.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,288.04 : 265,931.34 = 72,106.12 : x
  2. Step 2: Convert to fraction form
    177,288.04/265,931.34 = 72,106.12/x
  3. Step 3: Cross multiply
    177,288.04x = 265,931.34 × 72,106.12
  4. Step 4: Simplify right side
    177,288.04x = 19,175,277,113.80
  5. Step 5: Solve for x
    x = 19,175,277,113.80/177,288.04
  6. Step 6: Final answer
    x = 108,158.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.