Home / 208,030.04-287,081.30-112,536.81

Finding the Fourth Proportional to 208,030.04, 287,081.30 and 112,536.81

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Solution

The fourth proportional to 208,030.04, 287,081.30 and 112,536.81 is: 155,300.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,030.04 : 287,081.30 = 112,536.81 : x
  2. Step 2: Convert to fraction form
    208,030.04/287,081.30 = 112,536.81/x
  3. Step 3: Cross multiply
    208,030.04x = 287,081.30 × 112,536.81
  4. Step 4: Simplify right side
    208,030.04x = 32,307,213,712.65
  5. Step 5: Solve for x
    x = 32,307,213,712.65/208,030.04
  6. Step 6: Final answer
    x = 155,300.71

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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.