Home / 190,686.81-286,071.23-64,330.19

Finding the Fourth Proportional to 190,686.81, 286,071.23 and 64,330.19

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Solution

The fourth proportional to 190,686.81, 286,071.23 and 64,330.19 is: 96,509.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,686.81 : 286,071.23 = 64,330.19 : x
  2. Step 2: Convert to fraction form
    190,686.81/286,071.23 = 64,330.19/x
  3. Step 3: Cross multiply
    190,686.81x = 286,071.23 × 64,330.19
  4. Step 4: Simplify right side
    190,686.81x = 18,403,016,579.43
  5. Step 5: Solve for x
    x = 18,403,016,579.43/190,686.81
  6. Step 6: Final answer
    x = 96,509.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.