Home / 355,127.80-532,994.10-144,916.60

Finding the Fourth Proportional to 355,127.80, 532,994.10 and 144,916.60

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Solution

The fourth proportional to 355,127.80, 532,994.10 and 144,916.60 is: 217,498.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,127.80 : 532,994.10 = 144,916.60 : x
  2. Step 2: Convert to fraction form
    355,127.80/532,994.10 = 144,916.60/x
  3. Step 3: Cross multiply
    355,127.80x = 532,994.10 × 144,916.60
  4. Step 4: Simplify right side
    355,127.80x = 77,239,692,792.06
  5. Step 5: Solve for x
    x = 77,239,692,792.06/355,127.80
  6. Step 6: Final answer
    x = 217,498.30

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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.