Home / 258,341.34-356,465.43-157,771.74

Finding the Fourth Proportional to 258,341.34, 356,465.43 and 157,771.74

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Solution

The fourth proportional to 258,341.34, 356,465.43 and 157,771.74 is: 217,697.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,341.34 : 356,465.43 = 157,771.74 : x
  2. Step 2: Convert to fraction form
    258,341.34/356,465.43 = 157,771.74/x
  3. Step 3: Cross multiply
    258,341.34x = 356,465.43 × 157,771.74
  4. Step 4: Simplify right side
    258,341.34x = 56,240,171,140.95
  5. Step 5: Solve for x
    x = 56,240,171,140.95/258,341.34
  6. Step 6: Final answer
    x = 217,697.14

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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.