Home / 141,094.09-194,705.45-77,430.25

Finding the Fourth Proportional to 141,094.09, 194,705.45 and 77,430.25

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Solution

The fourth proportional to 141,094.09, 194,705.45 and 77,430.25 is: 106,851.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,094.09 : 194,705.45 = 77,430.25 : x
  2. Step 2: Convert to fraction form
    141,094.09/194,705.45 = 77,430.25/x
  3. Step 3: Cross multiply
    141,094.09x = 194,705.45 × 77,430.25
  4. Step 4: Simplify right side
    141,094.09x = 15,076,091,669.86
  5. Step 5: Solve for x
    x = 15,076,091,669.86/141,094.09
  6. Step 6: Final answer
    x = 106,851.33

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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.