Home / 105,430.38-158,088.87-46,197.12

Finding the Fourth Proportional to 105,430.38, 158,088.87 and 46,197.12

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Solution

The fourth proportional to 105,430.38, 158,088.87 and 46,197.12 is: 69,270.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,430.38 : 158,088.87 = 46,197.12 : x
  2. Step 2: Convert to fraction form
    105,430.38/158,088.87 = 46,197.12/x
  3. Step 3: Cross multiply
    105,430.38x = 158,088.87 × 46,197.12
  4. Step 4: Simplify right side
    105,430.38x = 7,303,250,498.05
  5. Step 5: Solve for x
    x = 7,303,250,498.05/105,430.38
  6. Step 6: Final answer
    x = 69,270.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.