Home / 105,312.44-157,993.36-72,048.16

Finding the Fourth Proportional to 105,312.44, 157,993.36 and 72,048.16

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Solution

The fourth proportional to 105,312.44, 157,993.36 and 72,048.16 is: 108,089.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,312.44 : 157,993.36 = 72,048.16 : x
  2. Step 2: Convert to fraction form
    105,312.44/157,993.36 = 72,048.16/x
  3. Step 3: Cross multiply
    105,312.44x = 157,993.36 × 72,048.16
  4. Step 4: Simplify right side
    105,312.44x = 11,383,130,880.22
  5. Step 5: Solve for x
    x = 11,383,130,880.22/105,312.44
  6. Step 6: Final answer
    x = 108,089.14

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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.