Home / 114,271.04-157,675.32-71,799.68

Finding the Fourth Proportional to 114,271.04, 157,675.32 and 71,799.68

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Solution

The fourth proportional to 114,271.04, 157,675.32 and 71,799.68 is: 99,071.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,271.04 : 157,675.32 = 71,799.68 : x
  2. Step 2: Convert to fraction form
    114,271.04/157,675.32 = 71,799.68/x
  3. Step 3: Cross multiply
    114,271.04x = 157,675.32 × 71,799.68
  4. Step 4: Simplify right side
    114,271.04x = 11,321,037,519.90
  5. Step 5: Solve for x
    x = 11,321,037,519.90/114,271.04
  6. Step 6: Final answer
    x = 99,071.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.