Home / 105,744.84-145,962.78-94,534.76

Finding the Fourth Proportional to 105,744.84, 145,962.78 and 94,534.76

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Solution

The fourth proportional to 105,744.84, 145,962.78 and 94,534.76 is: 130,489.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,744.84 : 145,962.78 = 94,534.76 : x
  2. Step 2: Convert to fraction form
    105,744.84/145,962.78 = 94,534.76/x
  3. Step 3: Cross multiply
    105,744.84x = 145,962.78 × 94,534.76
  4. Step 4: Simplify right side
    105,744.84x = 13,798,556,918.39
  5. Step 5: Solve for x
    x = 13,798,556,918.39/105,744.84
  6. Step 6: Final answer
    x = 130,489.17

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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.