Home / 209,154.04-288,631.78-118,527.26

Finding the Fourth Proportional to 209,154.04, 288,631.78 and 118,527.26

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Solution

The fourth proportional to 209,154.04, 288,631.78 and 118,527.26 is: 163,567.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,154.04 : 288,631.78 = 118,527.26 : x
  2. Step 2: Convert to fraction form
    209,154.04/288,631.78 = 118,527.26/x
  3. Step 3: Cross multiply
    209,154.04x = 288,631.78 × 118,527.26
  4. Step 4: Simplify right side
    209,154.04x = 34,210,732,292.85
  5. Step 5: Solve for x
    x = 34,210,732,292.85/209,154.04
  6. Step 6: Final answer
    x = 163,567.16

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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.