Home / 140,806.77-211,206.51-47,312.52

Finding the Fourth Proportional to 140,806.77, 211,206.51 and 47,312.52

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Solution

The fourth proportional to 140,806.77, 211,206.51 and 47,312.52 is: 70,967.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,806.77 : 211,206.51 = 47,312.52 : x
  2. Step 2: Convert to fraction form
    140,806.77/211,206.51 = 47,312.52/x
  3. Step 3: Cross multiply
    140,806.77x = 211,206.51 × 47,312.52
  4. Step 4: Simplify right side
    140,806.77x = 9,992,712,228.51
  5. Step 5: Solve for x
    x = 9,992,712,228.51/140,806.77
  6. Step 6: Final answer
    x = 70,967.56

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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.