Home / 190,869.40-286,304.10-134,882.20

Finding the Fourth Proportional to 190,869.40, 286,304.10 and 134,882.20

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Solution

The fourth proportional to 190,869.40, 286,304.10 and 134,882.20 is: 202,323.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,869.40 : 286,304.10 = 134,882.20 : x
  2. Step 2: Convert to fraction form
    190,869.40/286,304.10 = 134,882.20/x
  3. Step 3: Cross multiply
    190,869.40x = 286,304.10 × 134,882.20
  4. Step 4: Simplify right side
    190,869.40x = 38,617,326,877.02
  5. Step 5: Solve for x
    x = 38,617,326,877.02/190,869.40
  6. Step 6: Final answer
    x = 202,323.30

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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.