Home / 104,205.96-143,804.16-56,460.24

Finding the Fourth Proportional to 104,205.96, 143,804.16 and 56,460.24

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Solution

The fourth proportional to 104,205.96, 143,804.16 and 56,460.24 is: 77,915.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,205.96 : 143,804.16 = 56,460.24 : x
  2. Step 2: Convert to fraction form
    104,205.96/143,804.16 = 56,460.24/x
  3. Step 3: Cross multiply
    104,205.96x = 143,804.16 × 56,460.24
  4. Step 4: Simplify right side
    104,205.96x = 8,119,217,386.60
  5. Step 5: Solve for x
    x = 8,119,217,386.60/104,205.96
  6. Step 6: Final answer
    x = 77,915.10

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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.