Home / 177,127.95-265,594.41-121,031.40

Finding the Fourth Proportional to 177,127.95, 265,594.41 and 121,031.40

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Solution

The fourth proportional to 177,127.95, 265,594.41 and 121,031.40 is: 181,480.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,127.95 : 265,594.41 = 121,031.40 : x
  2. Step 2: Convert to fraction form
    177,127.95/265,594.41 = 121,031.40/x
  3. Step 3: Cross multiply
    177,127.95x = 265,594.41 × 121,031.40
  4. Step 4: Simplify right side
    177,127.95x = 32,145,263,274.47
  5. Step 5: Solve for x
    x = 32,145,263,274.47/177,127.95
  6. Step 6: Final answer
    x = 181,480.47

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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.