Home / 280,241.01-386,741.93-152,923.59

Finding the Fourth Proportional to 280,241.01, 386,741.93 and 152,923.59

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Solution

The fourth proportional to 280,241.01, 386,741.93 and 152,923.59 is: 211,039.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,241.01 : 386,741.93 = 152,923.59 : x
  2. Step 2: Convert to fraction form
    280,241.01/386,741.93 = 152,923.59/x
  3. Step 3: Cross multiply
    280,241.01x = 386,741.93 × 152,923.59
  4. Step 4: Simplify right side
    280,241.01x = 59,141,963,574.51
  5. Step 5: Solve for x
    x = 59,141,963,574.51/280,241.01
  6. Step 6: Final answer
    x = 211,039.65

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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.