Home / 190,638.36-286,045.02-97,209.72

Finding the Fourth Proportional to 190,638.36, 286,045.02 and 97,209.72

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Solution

The fourth proportional to 190,638.36, 286,045.02 and 97,209.72 is: 145,859.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,638.36 : 286,045.02 = 97,209.72 : x
  2. Step 2: Convert to fraction form
    190,638.36/286,045.02 = 97,209.72/x
  3. Step 3: Cross multiply
    190,638.36x = 286,045.02 × 97,209.72
  4. Step 4: Simplify right side
    190,638.36x = 27,806,356,301.59
  5. Step 5: Solve for x
    x = 27,806,356,301.59/190,638.36
  6. Step 6: Final answer
    x = 145,859.19

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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.