Home / 152,437.80-228,656.70-47,267.40

Finding the Fourth Proportional to 152,437.80, 228,656.70 and 47,267.40

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Solution

The fourth proportional to 152,437.80, 228,656.70 and 47,267.40 is: 70,901.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,437.80 : 228,656.70 = 47,267.40 : x
  2. Step 2: Convert to fraction form
    152,437.80/228,656.70 = 47,267.40/x
  3. Step 3: Cross multiply
    152,437.80x = 228,656.70 × 47,267.40
  4. Step 4: Simplify right side
    152,437.80x = 10,808,007,701.58
  5. Step 5: Solve for x
    x = 10,808,007,701.58/152,437.80
  6. Step 6: Final answer
    x = 70,901.10

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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.