Home / 191,076.47-263,955.33-153,088.28

Finding the Fourth Proportional to 191,076.47, 263,955.33 and 153,088.28

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Solution

The fourth proportional to 191,076.47, 263,955.33 and 153,088.28 is: 211,477.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,076.47 : 263,955.33 = 153,088.28 : x
  2. Step 2: Convert to fraction form
    191,076.47/263,955.33 = 153,088.28/x
  3. Step 3: Cross multiply
    191,076.47x = 263,955.33 × 153,088.28
  4. Step 4: Simplify right side
    191,076.47x = 40,408,466,371.15
  5. Step 5: Solve for x
    x = 40,408,466,371.15/191,076.47
  6. Step 6: Final answer
    x = 211,477.98

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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.