Home / 388,836.19-583,234.80-152,222.23

Finding the Fourth Proportional to 388,836.19, 583,234.80 and 152,222.23

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Solution

The fourth proportional to 388,836.19, 583,234.80 and 152,222.23 is: 228,325.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,836.19 : 583,234.80 = 152,222.23 : x
  2. Step 2: Convert to fraction form
    388,836.19/583,234.80 = 152,222.23/x
  3. Step 3: Cross multiply
    388,836.19x = 583,234.80 × 152,222.23
  4. Step 4: Simplify right side
    388,836.19x = 88,781,301,869.60
  5. Step 5: Solve for x
    x = 88,781,301,869.60/388,836.19
  6. Step 6: Final answer
    x = 228,325.72

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1.5x scale

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.