Home / 258,850.37-357,263.05-156,931.38

Finding the Fourth Proportional to 258,850.37, 357,263.05 and 156,931.38

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Solution

The fourth proportional to 258,850.37, 357,263.05 and 156,931.38 is: 216,595.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,850.37 : 357,263.05 = 156,931.38 : x
  2. Step 2: Convert to fraction form
    258,850.37/357,263.05 = 156,931.38/x
  3. Step 3: Cross multiply
    258,850.37x = 357,263.05 × 156,931.38
  4. Step 4: Simplify right side
    258,850.37x = 56,065,783,459.51
  5. Step 5: Solve for x
    x = 56,065,783,459.51/258,850.37
  6. Step 6: Final answer
    x = 216,595.34

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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.