Home / 285,113.10-393,343.92-183,124.29

Finding the Fourth Proportional to 285,113.10, 393,343.92 and 183,124.29

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Solution

The fourth proportional to 285,113.10, 393,343.92 and 183,124.29 is: 252,639.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,113.10 : 393,343.92 = 183,124.29 : x
  2. Step 2: Convert to fraction form
    285,113.10/393,343.92 = 183,124.29/x
  3. Step 3: Cross multiply
    285,113.10x = 393,343.92 × 183,124.29
  4. Step 4: Simplify right side
    285,113.10x = 72,030,826,075.82
  5. Step 5: Solve for x
    x = 72,030,826,075.82/285,113.10
  6. Step 6: Final answer
    x = 252,639.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.