Home / 147,592.02-221,409.90-77,476.80

Finding the Fourth Proportional to 147,592.02, 221,409.90 and 77,476.80

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Solution

The fourth proportional to 147,592.02, 221,409.90 and 77,476.80 is: 116,226.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,592.02 : 221,409.90 = 77,476.80 : x
  2. Step 2: Convert to fraction form
    147,592.02/221,409.90 = 77,476.80/x
  3. Step 3: Cross multiply
    147,592.02x = 221,409.90 × 77,476.80
  4. Step 4: Simplify right side
    147,592.02x = 17,154,130,540.32
  5. Step 5: Solve for x
    x = 17,154,130,540.32/147,592.02
  6. Step 6: Final answer
    x = 116,226.68

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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.