Home / 177,045.40-265,615.38-77,213.64

Finding the Fourth Proportional to 177,045.40, 265,615.38 and 77,213.64

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Solution

The fourth proportional to 177,045.40, 265,615.38 and 77,213.64 is: 115,841.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,045.40 : 265,615.38 = 77,213.64 : x
  2. Step 2: Convert to fraction form
    177,045.40/265,615.38 = 77,213.64/x
  3. Step 3: Cross multiply
    177,045.40x = 265,615.38 × 77,213.64
  4. Step 4: Simplify right side
    177,045.40x = 20,509,130,329.78
  5. Step 5: Solve for x
    x = 20,509,130,329.78/177,045.40
  6. Step 6: Final answer
    x = 115,841.08

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1.5x scale

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.