Home / 434,055.60-651,115.80-153,536.40

Finding the Fourth Proportional to 434,055.60, 651,115.80 and 153,536.40

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Solution

The fourth proportional to 434,055.60, 651,115.80 and 153,536.40 is: 230,316.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,055.60 : 651,115.80 = 153,536.40 : x
  2. Step 2: Convert to fraction form
    434,055.60/651,115.80 = 153,536.40/x
  3. Step 3: Cross multiply
    434,055.60x = 651,115.80 × 153,536.40
  4. Step 4: Simplify right side
    434,055.60x = 99,969,975,915.12
  5. Step 5: Solve for x
    x = 99,969,975,915.12/434,055.60
  6. Step 6: Final answer
    x = 230,316.06

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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.