Home / 105,563.84-145,676.63-60,256.19

Finding the Fourth Proportional to 105,563.84, 145,676.63 and 60,256.19

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Solution

The fourth proportional to 105,563.84, 145,676.63 and 60,256.19 is: 83,152.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,563.84 : 145,676.63 = 60,256.19 : x
  2. Step 2: Convert to fraction form
    105,563.84/145,676.63 = 60,256.19/x
  3. Step 3: Cross multiply
    105,563.84x = 145,676.63 × 60,256.19
  4. Step 4: Simplify right side
    105,563.84x = 8,777,917,666.18
  5. Step 5: Solve for x
    x = 8,777,917,666.18/105,563.84
  6. Step 6: Final answer
    x = 83,152.70

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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.