Home / 145,641.30-200,881.47-97,218.84

Finding the Fourth Proportional to 145,641.30, 200,881.47 and 97,218.84

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Solution

The fourth proportional to 145,641.30, 200,881.47 and 97,218.84 is: 134,092.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,641.30 : 200,881.47 = 97,218.84 : x
  2. Step 2: Convert to fraction form
    145,641.30/200,881.47 = 97,218.84/x
  3. Step 3: Cross multiply
    145,641.30x = 200,881.47 × 97,218.84
  4. Step 4: Simplify right side
    145,641.30x = 19,529,463,490.89
  5. Step 5: Solve for x
    x = 19,529,463,490.89/145,641.30
  6. Step 6: Final answer
    x = 134,092.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.