Home / 114,259.96-157,681.38-66,521.80

Finding the Fourth Proportional to 114,259.96, 157,681.38 and 66,521.80

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Solution

The fourth proportional to 114,259.96, 157,681.38 and 66,521.80 is: 91,801.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,259.96 : 157,681.38 = 66,521.80 : x
  2. Step 2: Convert to fraction form
    114,259.96/157,681.38 = 66,521.80/x
  3. Step 3: Cross multiply
    114,259.96x = 157,681.38 × 66,521.80
  4. Step 4: Simplify right side
    114,259.96x = 10,489,249,224.08
  5. Step 5: Solve for x
    x = 10,489,249,224.08/114,259.96
  6. Step 6: Final answer
    x = 91,801.62

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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.