Home / 147,394.99-221,178.21-61,999.57

Finding the Fourth Proportional to 147,394.99, 221,178.21 and 61,999.57

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Solution

The fourth proportional to 147,394.99, 221,178.21 and 61,999.57 is: 93,035.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,394.99 : 221,178.21 = 61,999.57 : x
  2. Step 2: Convert to fraction form
    147,394.99/221,178.21 = 61,999.57/x
  3. Step 3: Cross multiply
    147,394.99x = 221,178.21 × 61,999.57
  4. Step 4: Simplify right side
    147,394.99x = 13,712,953,913.37
  5. Step 5: Solve for x
    x = 13,712,953,913.37/147,394.99
  6. Step 6: Final answer
    x = 93,035.41

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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.