Home / 190,640.36-286,048.02-97,211.72

Finding the Fourth Proportional to 190,640.36, 286,048.02 and 97,211.72

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Solution

The fourth proportional to 190,640.36, 286,048.02 and 97,211.72 is: 145,862.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,640.36 : 286,048.02 = 97,211.72 : x
  2. Step 2: Convert to fraction form
    190,640.36/286,048.02 = 97,211.72/x
  3. Step 3: Cross multiply
    190,640.36x = 286,048.02 × 97,211.72
  4. Step 4: Simplify right side
    190,640.36x = 27,807,220,026.79
  5. Step 5: Solve for x
    x = 27,807,220,026.79/190,640.36
  6. Step 6: Final answer
    x = 145,862.19

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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.