Home / 145,303.20-200,586.60-96,985.80

Finding the Fourth Proportional to 145,303.20, 200,586.60 and 96,985.80

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Solution

The fourth proportional to 145,303.20, 200,586.60 and 96,985.80 is: 133,885.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,303.20 : 200,586.60 = 96,985.80 : x
  2. Step 2: Convert to fraction form
    145,303.20/200,586.60 = 96,985.80/x
  3. Step 3: Cross multiply
    145,303.20x = 200,586.60 × 96,985.80
  4. Step 4: Simplify right side
    145,303.20x = 19,454,051,870.28
  5. Step 5: Solve for x
    x = 19,454,051,870.28/145,303.20
  6. Step 6: Final answer
    x = 133,885.91

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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.