Home / 209,153.90-288,631.60-118,527.13

Finding the Fourth Proportional to 209,153.90, 288,631.60 and 118,527.13

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Solution

The fourth proportional to 209,153.90, 288,631.60 and 118,527.13 is: 163,567.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,153.90 : 288,631.60 = 118,527.13 : x
  2. Step 2: Convert to fraction form
    209,153.90/288,631.60 = 118,527.13/x
  3. Step 3: Cross multiply
    209,153.90x = 288,631.60 × 118,527.13
  4. Step 4: Simplify right side
    209,153.90x = 34,210,675,175.31
  5. Step 5: Solve for x
    x = 34,210,675,175.31/209,153.90
  6. Step 6: Final answer
    x = 163,567.00

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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.