Home / 130,368.04-179,907.86-70,752.04

Finding the Fourth Proportional to 130,368.04, 179,907.86 and 70,752.04

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Solution

The fourth proportional to 130,368.04, 179,907.86 and 70,752.04 is: 97,637.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,368.04 : 179,907.86 = 70,752.04 : x
  2. Step 2: Convert to fraction form
    130,368.04/179,907.86 = 70,752.04/x
  3. Step 3: Cross multiply
    130,368.04x = 179,907.86 × 70,752.04
  4. Step 4: Simplify right side
    130,368.04x = 12,728,848,107.03
  5. Step 5: Solve for x
    x = 12,728,848,107.03/130,368.04
  6. Step 6: Final answer
    x = 97,637.80

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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.