Home / 190,869.60-286,304.40-121,058.40

Finding the Fourth Proportional to 190,869.60, 286,304.40 and 121,058.40

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Solution

The fourth proportional to 190,869.60, 286,304.40 and 121,058.40 is: 181,587.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,869.60 : 286,304.40 = 121,058.40 : x
  2. Step 2: Convert to fraction form
    190,869.60/286,304.40 = 121,058.40/x
  3. Step 3: Cross multiply
    190,869.60x = 286,304.40 × 121,058.40
  4. Step 4: Simplify right side
    190,869.60x = 34,659,552,576.96
  5. Step 5: Solve for x
    x = 34,659,552,576.96/190,869.60
  6. Step 6: Final answer
    x = 181,587.60

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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.