Home / 104,106.15-143,666.33-56,359.49

Finding the Fourth Proportional to 104,106.15, 143,666.33 and 56,359.49

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Solution

The fourth proportional to 104,106.15, 143,666.33 and 56,359.49 is: 77,776.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,106.15 : 143,666.33 = 56,359.49 : x
  2. Step 2: Convert to fraction form
    104,106.15/143,666.33 = 56,359.49/x
  3. Step 3: Cross multiply
    104,106.15x = 143,666.33 × 56,359.49
  4. Step 4: Simplify right side
    104,106.15x = 8,096,960,088.84
  5. Step 5: Solve for x
    x = 8,096,960,088.84/104,106.15
  6. Step 6: Final answer
    x = 77,776.00

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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.