Home / 152,547.40-228,842.70-47,355.40

Finding the Fourth Proportional to 152,547.40, 228,842.70 and 47,355.40

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Solution

The fourth proportional to 152,547.40, 228,842.70 and 47,355.40 is: 71,039.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,547.40 : 228,842.70 = 47,355.40 : x
  2. Step 2: Convert to fraction form
    152,547.40/228,842.70 = 47,355.40/x
  3. Step 3: Cross multiply
    152,547.40x = 228,842.70 × 47,355.40
  4. Step 4: Simplify right side
    152,547.40x = 10,836,937,595.58
  5. Step 5: Solve for x
    x = 10,836,937,595.58/152,547.40
  6. Step 6: Final answer
    x = 71,039.81

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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.