Home / 186,622.13-257,457.31-118,602.65

Finding the Fourth Proportional to 186,622.13, 257,457.31 and 118,602.65

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Solution

The fourth proportional to 186,622.13, 257,457.31 and 118,602.65 is: 163,620.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,622.13 : 257,457.31 = 118,602.65 : x
  2. Step 2: Convert to fraction form
    186,622.13/257,457.31 = 118,602.65/x
  3. Step 3: Cross multiply
    186,622.13x = 257,457.31 × 118,602.65
  4. Step 4: Simplify right side
    186,622.13x = 30,535,119,575.01
  5. Step 5: Solve for x
    x = 30,535,119,575.01/186,622.13
  6. Step 6: Final answer
    x = 163,620.03

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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.