Home / 147,740.04-221,642.45-47,910.32

Finding the Fourth Proportional to 147,740.04, 221,642.45 and 47,910.32

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Solution

The fourth proportional to 147,740.04, 221,642.45 and 47,910.32 is: 71,875.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,740.04 : 221,642.45 = 47,910.32 : x
  2. Step 2: Convert to fraction form
    147,740.04/221,642.45 = 47,910.32/x
  3. Step 3: Cross multiply
    147,740.04x = 221,642.45 × 47,910.32
  4. Step 4: Simplify right side
    147,740.04x = 10,618,960,368.14
  5. Step 5: Solve for x
    x = 10,618,960,368.14/147,740.04
  6. Step 6: Final answer
    x = 71,875.98

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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.