Home / 130,328.72-195,509.16-46,071.50

Finding the Fourth Proportional to 130,328.72, 195,509.16 and 46,071.50

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Solution

The fourth proportional to 130,328.72, 195,509.16 and 46,071.50 is: 69,112.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,328.72 : 195,509.16 = 46,071.50 : x
  2. Step 2: Convert to fraction form
    130,328.72/195,509.16 = 46,071.50/x
  3. Step 3: Cross multiply
    130,328.72x = 195,509.16 × 46,071.50
  4. Step 4: Simplify right side
    130,328.72x = 9,007,400,264.94
  5. Step 5: Solve for x
    x = 9,007,400,264.94/130,328.72
  6. Step 6: Final answer
    x = 69,112.93

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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.