Home / 147,420.50-221,130.75-48,924.50

Finding the Fourth Proportional to 147,420.50, 221,130.75 and 48,924.50

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Solution

The fourth proportional to 147,420.50, 221,130.75 and 48,924.50 is: 73,386.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,420.50 : 221,130.75 = 48,924.50 : x
  2. Step 2: Convert to fraction form
    147,420.50/221,130.75 = 48,924.50/x
  3. Step 3: Cross multiply
    147,420.50x = 221,130.75 × 48,924.50
  4. Step 4: Simplify right side
    147,420.50x = 10,818,711,378.38
  5. Step 5: Solve for x
    x = 10,818,711,378.38/147,420.50
  6. Step 6: Final answer
    x = 73,386.75

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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.