Home / 210,136.56-289,987.07-119,492.53

Finding the Fourth Proportional to 210,136.56, 289,987.07 and 119,492.53

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Solution

The fourth proportional to 210,136.56, 289,987.07 and 119,492.53 is: 164,898.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,136.56 : 289,987.07 = 119,492.53 : x
  2. Step 2: Convert to fraction form
    210,136.56/289,987.07 = 119,492.53/x
  3. Step 3: Cross multiply
    210,136.56x = 289,987.07 × 119,492.53
  4. Step 4: Simplify right side
    210,136.56x = 34,651,287,339.16
  5. Step 5: Solve for x
    x = 34,651,287,339.16/210,136.56
  6. Step 6: Final answer
    x = 164,898.90

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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.