Home / 125,698.06-173,293.53-85,341.76

Finding the Fourth Proportional to 125,698.06, 173,293.53 and 85,341.76

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Solution

The fourth proportional to 125,698.06, 173,293.53 and 85,341.76 is: 117,656.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,698.06 : 173,293.53 = 85,341.76 : x
  2. Step 2: Convert to fraction form
    125,698.06/173,293.53 = 85,341.76/x
  3. Step 3: Cross multiply
    125,698.06x = 173,293.53 × 85,341.76
  4. Step 4: Simplify right side
    125,698.06x = 14,789,174,846.81
  5. Step 5: Solve for x
    x = 14,789,174,846.81/125,698.06
  6. Step 6: Final answer
    x = 117,656.35

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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.