Home / 111,232.09-153,377.28-70,881.94

Finding the Fourth Proportional to 111,232.09, 153,377.28 and 70,881.94

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Solution

The fourth proportional to 111,232.09, 153,377.28 and 70,881.94 is: 97,738.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,232.09 : 153,377.28 = 70,881.94 : x
  2. Step 2: Convert to fraction form
    111,232.09/153,377.28 = 70,881.94/x
  3. Step 3: Cross multiply
    111,232.09x = 153,377.28 × 70,881.94
  4. Step 4: Simplify right side
    111,232.09x = 10,871,678,037.03
  5. Step 5: Solve for x
    x = 10,871,678,037.03/111,232.09
  6. Step 6: Final answer
    x = 97,738.69

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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.