Home / 208,827.81-288,033.47-191,655.51

Finding the Fourth Proportional to 208,827.81, 288,033.47 and 191,655.51

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Solution

The fourth proportional to 208,827.81, 288,033.47 and 191,655.51 is: 264,347.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,827.81 : 288,033.47 = 191,655.51 : x
  2. Step 2: Convert to fraction form
    208,827.81/288,033.47 = 191,655.51/x
  3. Step 3: Cross multiply
    208,827.81x = 288,033.47 × 191,655.51
  4. Step 4: Simplify right side
    208,827.81x = 55,203,199,191.47
  5. Step 5: Solve for x
    x = 55,203,199,191.47/208,827.81
  6. Step 6: Final answer
    x = 264,347.93

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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.