Home / 190,868.60-286,302.90-134,881.40

Finding the Fourth Proportional to 190,868.60, 286,302.90 and 134,881.40

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Solution

The fourth proportional to 190,868.60, 286,302.90 and 134,881.40 is: 202,322.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,868.60 : 286,302.90 = 134,881.40 : x
  2. Step 2: Convert to fraction form
    190,868.60/286,302.90 = 134,881.40/x
  3. Step 3: Cross multiply
    190,868.60x = 286,302.90 × 134,881.40
  4. Step 4: Simplify right side
    190,868.60x = 38,616,935,976.06
  5. Step 5: Solve for x
    x = 38,616,935,976.06/190,868.60
  6. Step 6: Final answer
    x = 202,322.10

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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.