Home / 154,439.65-213,050.77-97,148.53

Finding the Fourth Proportional to 154,439.65, 213,050.77 and 97,148.53

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Solution

The fourth proportional to 154,439.65, 213,050.77 and 97,148.53 is: 134,017.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,439.65 : 213,050.77 = 97,148.53 : x
  2. Step 2: Convert to fraction form
    154,439.65/213,050.77 = 97,148.53/x
  3. Step 3: Cross multiply
    154,439.65x = 213,050.77 × 97,148.53
  4. Step 4: Simplify right side
    154,439.65x = 20,697,569,120.87
  5. Step 5: Solve for x
    x = 20,697,569,120.87/154,439.65
  6. Step 6: Final answer
    x = 134,017.20

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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.