Home / 475,184.36-712,627.50-155,263.28

Finding the Fourth Proportional to 475,184.36, 712,627.50 and 155,263.28

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Solution

The fourth proportional to 475,184.36, 712,627.50 and 155,263.28 is: 232,846.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,184.36 : 712,627.50 = 155,263.28 : x
  2. Step 2: Convert to fraction form
    475,184.36/712,627.50 = 155,263.28/x
  3. Step 3: Cross multiply
    475,184.36x = 712,627.50 × 155,263.28
  4. Step 4: Simplify right side
    475,184.36x = 110,644,883,068.20
  5. Step 5: Solve for x
    x = 110,644,883,068.20/475,184.36
  6. Step 6: Final answer
    x = 232,846.22

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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.