Home / 152,429.10-228,643.65-47,258.70

Finding the Fourth Proportional to 152,429.10, 228,643.65 and 47,258.70

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Solution

The fourth proportional to 152,429.10, 228,643.65 and 47,258.70 is: 70,888.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,429.10 : 228,643.65 = 47,258.70 : x
  2. Step 2: Convert to fraction form
    152,429.10/228,643.65 = 47,258.70/x
  3. Step 3: Cross multiply
    152,429.10x = 228,643.65 × 47,258.70
  4. Step 4: Simplify right side
    152,429.10x = 10,805,401,662.26
  5. Step 5: Solve for x
    x = 10,805,401,662.26/152,429.10
  6. Step 6: Final answer
    x = 70,888.05

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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.