Home / 180,279.04-248,783.80-99,703.59

Finding the Fourth Proportional to 180,279.04, 248,783.80 and 99,703.59

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Solution

The fourth proportional to 180,279.04, 248,783.80 and 99,703.59 is: 137,590.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,279.04 : 248,783.80 = 99,703.59 : x
  2. Step 2: Convert to fraction form
    180,279.04/248,783.80 = 99,703.59/x
  3. Step 3: Cross multiply
    180,279.04x = 248,783.80 × 99,703.59
  4. Step 4: Simplify right side
    180,279.04x = 24,804,637,993.84
  5. Step 5: Solve for x
    x = 24,804,637,993.84/180,279.04
  6. Step 6: Final answer
    x = 137,590.25

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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.