Home / 114,422.02-157,869.81-66,666.14

Finding the Fourth Proportional to 114,422.02, 157,869.81 and 66,666.14

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Solution

The fourth proportional to 114,422.02, 157,869.81 and 66,666.14 is: 91,980.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,422.02 : 157,869.81 = 66,666.14 : x
  2. Step 2: Convert to fraction form
    114,422.02/157,869.81 = 66,666.14/x
  3. Step 3: Cross multiply
    114,422.02x = 157,869.81 × 66,666.14
  4. Step 4: Simplify right side
    114,422.02x = 10,524,570,657.90
  5. Step 5: Solve for x
    x = 10,524,570,657.90/114,422.02
  6. Step 6: Final answer
    x = 91,980.29

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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.