Home / 105,406.59-157,999.73-46,192.35

Finding the Fourth Proportional to 105,406.59, 157,999.73 and 46,192.35

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Solution

The fourth proportional to 105,406.59, 157,999.73 and 46,192.35 is: 69,240.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,406.59 : 157,999.73 = 46,192.35 : x
  2. Step 2: Convert to fraction form
    105,406.59/157,999.73 = 46,192.35/x
  3. Step 3: Cross multiply
    105,406.59x = 157,999.73 × 46,192.35
  4. Step 4: Simplify right side
    105,406.59x = 7,298,378,597.10
  5. Step 5: Solve for x
    x = 7,298,378,597.10/105,406.59
  6. Step 6: Final answer
    x = 69,240.25

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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.