Home / 114,808.96-158,438.24-63,128.23

Finding the Fourth Proportional to 114,808.96, 158,438.24 and 63,128.23

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Solution

The fourth proportional to 114,808.96, 158,438.24 and 63,128.23 is: 87,117.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,808.96 : 158,438.24 = 63,128.23 : x
  2. Step 2: Convert to fraction form
    114,808.96/158,438.24 = 63,128.23/x
  3. Step 3: Cross multiply
    114,808.96x = 158,438.24 × 63,128.23
  4. Step 4: Simplify right side
    114,808.96x = 10,001,925,655.52
  5. Step 5: Solve for x
    x = 10,001,925,655.52/114,808.96
  6. Step 6: Final answer
    x = 87,117.99

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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.